## 常見問題
#### Q：額度用完時，客戶端會看到什麼？
Agent 會暫停回覆，訪客收到提示訊息。未自訂時，系統預設訊息為：「很抱歉，此對話平台的 Credit 額度已達上限，AI 助理暫停回覆。您的訊息已收到，將由專人盡快回覆。」可在互動設定的「預設提示訊息」欄位自訂並依語系覆寫，詳見[上方說明](#quota-exceeded-behavior)。
#### Q：人工客服會受影響嗎？
**不受影響。** 額度只限制 AI 回覆的消費；額度用完後，訪客訊息仍會正常進入收件匣，人工客服可照常接手回覆。
#### Q：為什麼「已使用額度」有時會略超過上限？
這是 **Fail-Open** 機制的正常現象：系統在檢查時只要剩餘額度大於 0 就放行本次請求，AI 完成回應後才計入消耗量。因此最後一次放行的消費可能讓已用額度略超過上限，**下一次**請求才會被擋下。這確保使用者不會在「已收到 AI 回應」的同時遭遇失敗。
#### Q：對話平台額度和組織錢包有什麼差別？
組織錢包是**唯一的資金池**，額度是**消費天花板**。分發額度不會從錢包移出任何 Credits，額度過期也沒有「退回」的概念。反過來說，若組織錢包餘額不足，即使對話平台額度還有剩，AI 也無法回覆——錢包與各層額度都要有餘裕，消費才會放行。
## 權限說明
* 分發、編輯、停用對話平台額度需要 **Credit 管理權限**（與成員額度相同），而非對話平台管理權限——額度屬於財務控管，權限刻意與對話平台設定分開
* 對話平台設定頁中的「額度」唯讀頁籤，具對話平台管理權限即可查看
---
# Agent Instructions
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